Hi list, when the URL of an imagelayer is changed via the APIMethod setUrl, the image is flickering regardless of the browser cache or the transition effect. This behaviour can be seen e.g. here:
http://www.webmapcenter.de/wetterradar/animation.html In that demo the URL of the imagelayer is changed every 500 ms and the flickering should be easy to spot (at least if you wait for roughly 20 seconds). Firebugs Net-tab shows that the images are being requested over and over. The flickering is only noticeable in Firefox (3.5 Win and Linux); Opera 10 and IE 8 work like a charm (they cache the varying images). The changing of the src of a pure <img> with JavaScript does not show the flickering (as can be seen in the above link, too). I don't have results for other browsers. Can anybody help me identify the root of this flickering? I am unsure whether this Firefox bugreport is maybe relevant to this issue: https://bugzilla.mozilla.org/show_bug.cgi?id=492052. I doubt that it is related to apache settings (Caching- or Expires-Headers) as the pure JS solution isn't flickering at all. Any help or advice on this issue would be great! Regards, Marc BTW.: If someone shows me a better alternative to build an animation of different Imagelayers, I would be happy as well :-) _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users
